/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.resolve.scopes

import com.linqingying.cangjie.descriptors.*
import com.linqingying.cangjie.incremental.components.LookupLocation
import com.linqingying.cangjie.name.Name
import com.linqingying.cangjie.resolve.source.MemberScopeImpl
import com.linqingying.cangjie.utils.Printer


class InnerClassesScopeWrapper(val workerScope: MemberScope) : MemberScopeImpl() {
    override fun getContributedClassifier(name: Name, location: LookupLocation): ClassifierDescriptor? =
        workerScope.getContributedClassifier(name, location)?.let {
            it as? ClassDescriptor ?: it as? TypeAliasDescriptor
        }
    override fun getContributedEnumEntrys(name: Name, location: LookupLocation): List<ClassifierDescriptor> =
            workerScope.getContributedEnumEntrys(name, location)
    override fun getContributedClassifiers(name: Name, location: LookupLocation): List<ClassifierDescriptor> =
        workerScope.getContributedClassifiers(name, location)
    override fun getContributedDescriptors(kindFilter: DescriptorKindFilter, nameFilter: (Name) -> Boolean): List<DeclarationDescriptor> {
        val restrictedFilter = kindFilter.restrictedToKindsOrNull(DescriptorKindFilter.CLASSIFIERS_MASK) ?: return listOf()
        return workerScope.getContributedDescriptors(restrictedFilter, nameFilter) .toList()
    }

    override fun printScopeStructure(p: Printer) {
        p.println("InnerClassesScopeWrapper for scope:")
        workerScope.printScopeStructure(p)
    }

    override fun getFunctionNames() = workerScope.getFunctionNames()
    override fun getVariableNames() = workerScope.getVariableNames()
    override fun getClassifierNames() = workerScope.getClassifierNames()

    override fun definitelyDoesNotContainName(name: Name) = workerScope.definitelyDoesNotContainName(name)

    override fun recordLookup(name: Name, location: LookupLocation) {
        workerScope.recordLookup(name, location)
    }

    override fun toString() = "Classes from $workerScope"
}
